BE449714A - - Google Patents
Info
- Publication number
- BE449714A BE449714A BE449714DA BE449714A BE 449714 A BE449714 A BE 449714A BE 449714D A BE449714D A BE 449714DA BE 449714 A BE449714 A BE 449714A
- Authority
- BE
- Belgium
- Prior art keywords
- envelope
- marginal zone
- line
- marginal
- perforations
- Prior art date
Links
- 239000010410 layer Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D27/00—Envelopes or like essentially-rectangular flexible containers for postal or other purposes having no structural provision for thickness of contents
- B65D27/32—Opening devices incorporated during envelope manufacture
- B65D27/34—Lines of weakness
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Sheet Holders (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449714A true BE449714A (en, 2012) |
Family
ID=104972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449714D BE449714A (en, 2012) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE449714A (en, 2012) |
-
0
- BE BE449714D patent/BE449714A/fr unknown
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